Measurement-computing CIO-DDA06/16 Manual do Utilizador descarregar pdf (Página 15)

Chapter 4

Specifications

Typical for 25 °C unless otherwise specified.

Specifications in italic text are guaranteed by design.

Analog output

Table 1. Analog output specifications

D/A type AD660BN (OP27 buffer)

Resolution 16 bits

Number of channels 6

Voltage ranges

Bipolar: ±10 V, ±5 V

Unipolar: 0 to 10 V, 0 to 5 V

D/A pacing Software polled

Throughput System dependant

Offset error Trimmable by potentiometer to 0

Gain error Trimmable by potentiometer to 0

Differential nonlinearity ±1 LSB max

Integral nonlinearity ±1 LSB max

Monotonicity Guaranteed monotonic to 15 bits over temperature

Gain drift ±15 ppm/°C max

Offset drift ±5 ppm/°C max

Slew rate 1.7V/µs min

Current drive ±5 mA min

Output short-circuit duration indefinite

Miscellaneous  Double buffered output latches

 Update DACs individually or simultaneously (jumper selectable)

Digital input / output

Table 2. DIO specifications

Digital type 82C55

Number of channels 24 I/O

Configuration 2 banks of 8, 2 banks of 4, programmable by bank as input or output

Output high 3.0 volts min @ –2.5 mA

Output low 0.4 volts max @ 2.5 mA

Input high 2.0 volts min, 5.5 volts absolute max

Input low 0.8 volts max, –0.5 volts absolute min

Power-up / reset state Input mode (high impedance)

Power consumption

Table 3. Power consumption specifications

+5 V supply 1 A typ, 1.3 A max

Environmental

Table 4. Environmental specifications

Operating temperature range 0 to 50 °C

Storage temperature range –20 to +70 °C

Humidity 0 to 90% non-condensing

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